#include <torch/extension.h>
#include <tuple>
	
std::tuple<int, torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor>
RasterizeGaussiansCUDA(const torch::Tensor& background, const torch::Tensor& means3D, const torch::Tensor& colors, const torch::Tensor& opacity, const torch::Tensor& scales, const torch::Tensor& rotations, const float scale_modifier, const torch::Tensor& cov3D_precomp, const torch::Tensor& viewmatrix, const torch::Tensor& projmatrix, const float tan_fovx, const float tan_fovy, const int image_height, const int image_width, const torch::Tensor& sh, const int degree, const torch::Tensor& campos, const bool prefiltered, const bool debug);

std::tuple<torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor, torch::Tensor>
 RasterizeGaussiansBackwardCUDA(const torch::Tensor& background, const torch::Tensor& means3D, const torch::Tensor& radii, const torch::Tensor& colors, const torch::Tensor& scales, const torch::Tensor& rotations, const float scale_modifier, const torch::Tensor& cov3D_precomp, const torch::Tensor& viewmatrix, const torch::Tensor& projmatrix, const float tan_fovx, const float tan_fovy, const torch::Tensor& dL_dout_color, const torch::Tensor& sh, const int degree, const torch::Tensor& campos, const torch::Tensor& geomBuffer, const int R, const torch::Tensor& binningBuffer, const torch::Tensor& imageBuffer, const bool debug);
